Flarum\Core\Listener\DiscussionMetadataUpdater::whenPostWasPosted PHP Méthode

    public function whenPostWasPosted(PostWasPosted $event)
    {
        $discussion = $event->post->discussion;
        if ($discussion && $discussion->exists) {
            $discussion->refreshCommentsCount();
            $discussion->refreshLastPost();
            $discussion->refreshParticipantsCount();
            $discussion->save();
        }
    }